package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController// 控制层
@RequestMapping("/admin/dish")// 路径
@Api(tags = "菜品相关接口")// 接口文档
@Slf4j// 日志
public class AdminDishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dishDTO 菜品数据传输对象
     * @return Result
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //获取缓存数据的 key
        String key = "dish_" + dishDTO.getCategoryId();
        //删除缓存数据
        cleanceche(key);
        return Result.success();
    }


    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO 菜品分页查询参数
     * @return Result 菜品分页查询结果
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     *
     * @param ids 菜品id数组
     * @return Result
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("批量删除菜品：{}", ids);
        //获取缓存数据的 key
        ids.forEach(id -> {
            //获取菜品分类id
            Long categoryId = dishService.getCategoryById(id);
            String key = "dish_" + categoryId;
            cleanceche(key);
        });
        dishService.deleteBatch(ids);
        return Result.success();
    }

    /**
     * 根据id查询菜品
     *
     * @param id 菜品id
     * @return Result 菜品数据传输对象
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     *
     * @param dishDTO 菜品数据传输对象
     * @return Result
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品:{}", dishDTO);
        dishService.updateWithFlavors(dishDTO);
        //获取缓存数据的 key
        String key = "dish_" + dishDTO.getCategoryId();
        //删除缓存数据
        cleanceche(key);
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId 分类id
     * @return Result 菜品数据传输对象列表
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {
        log.info("根据分类id查询菜品：{}", categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    @PostMapping("/status/{status}")
    @ApiOperation("起售、停售菜品")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        log.info("起售、停售菜品：{}", id);
        dishService.startOrStop(status, id);
        //获取菜品分类id
        Long categoryId = dishService.getCategoryById(id);
        //获取缓存数据的 key
        String key = "dish_" + categoryId;
        //删除缓存数据
        cleanceche(key);
        return Result.success();
    }

    /**
     * 删除缓存数据
     *
     * @param key 缓存数据的 key
     */
    private void cleanceche(String key) {
        //获取缓存数据的set
        Set keys = redisTemplate.keys(key);
        //删除缓存数据
        redisTemplate.delete(keys);
    }
}

